Putting your faith in the cloud can be a risky endeavor. A survey from earlier this year showed that of 600 large companies, only 27% were using public cloud Infrastructure-as-a-Service.
While that may be up from 10% a year ago, it still shows the hesitancy to hand over the keys to the car when it comes to network infrastructure.
At the moment, public IaaS is primarily used for special use cases, such as:
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